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Finding the Fourth Proportional to 1,052.92, 1,453.03 and 633.28

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Solution

The fourth proportional to 1,052.92, 1,453.03 and 633.28 is: 873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.92 : 1,453.03 = 633.28 : x
  2. Step 2: Convert to fraction form
    1,052.92/1,453.03 = 633.28/x
  3. Step 3: Cross multiply
    1,052.92x = 1,453.03 × 633.28
  4. Step 4: Simplify right side
    1,052.92x = 920,174.84
  5. Step 5: Solve for x
    x = 920,174.84/1,052.92
  6. Step 6: Final answer
    x = 873.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.